Contact Us

Our locations in downtown Bellevue and Seattle allow us to provide our clients with quick response time and immediate access to our staff for projects throughout western Washington.

Osborn Consulting, Inc. Headquarters
1800 112th Avenue Northeast
Suite 220E
Bellevue, Washington 98004
Telephone: (425) 451-4009
Fax: (888) 391-8517

Seattle Office
1326 5th Ave
Suite 621
Seattle, WA 98101
Telephone: (206) 691-8991




Administrative Inquiries

General Information:


Contracts: Tarelle Osborn

Marketing: Madison Dreiger

Information Technology: Richard Herrman


Project Inquiries

Monitoring: Deepa Mungasavalli

Design Build / Transportation: Laurie Thomsen

Modeling: Laura Ruppert

Private Development: Robert Parish